n African Entomology - Protection of upland rice at Lake Alaotra (Madagascar) from black beetle damage (Heteronychus plebejus) (Coleoptera : Dynastidae) by seed dressing : short communications




In Madagascar, growing demand for rice and resulting increased pressure on inundated lands has favoured the cultivation of upland rain-fed rice on hill slopes. Due to the instability of the ecosystem, this type of agriculture cannot meet the objectives of both sustainability and high yields if conventional tillage is used, particularly due to high erosion risk. Direct seeding, mulch-based cropping (DMC) systems have opened new prospects for upland rice.


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